30453173121 has 48 divisors (see below), whose sum is σ = 48613911936. Its totient is φ = 16895257344.

The previous prime is 30453173099. The next prime is 30453173137. The reversal of 30453173121 is 12137135403.

It is not a de Polignac number, because 30453173121 - 2¹⁵ = 30453140353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30453175121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2643045 + ... + 2654541.

It is an arithmetic number, because the mean of its divisors is an integer number (1012789832).

Almost surely, 2^30453173121 is an apocalyptic number.

It is an amenable number.

30453173121 is a deficient number, since it is larger than the sum of its proper divisors (18160738815).

30453173121 is a wasteful number, since it uses less digits than its factorization.

30453173121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038 (or 12031 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 30453173121 in words is "thirty billion, four hundred fifty-three million, one hundred seventy-three thousand, one hundred twenty-one".